AdvertisementNewtown Parents Seek A Clearer Window Into Violent BehaviorDecember 12, 2013Tovia SmithfacebookEmailJennifer Hensel and Jeremy Richman with a portrait of their daughter, Avielle Richman, at a news conference in Newtown, Conn., in January. The parents have created a foundation to fund research into the biochemical and environmental factors that drive violent behavior. (AP)